News. The latest news and updates from OTB projects and engineers.

July 6, 2017

Being built by Ferrovial Laing O'Rourke for Transport for London and designed by OTB, the team was recognised for Technical Excellence at last night's Ground Engineering Awards for the project-critical step-plate junctions that connect the new extension into the existing Northern Line at Kennington.

The award was rightly received by and for the entire project team. Phil Astle and Eoin Murphy represented OTB at the event held at the Hilton Par...

May 20, 2016

Major improvements to the existing escalators at Paddington Tube Station begin this month, which will allow Costain Skanska JV (Joint Venture) to undertake the important works needed to integrate the new pedestrian link tunnel that will connect the new Crossrail station to the existing Bakerloo Line station. 


OTB's design for this link significantly lessened the impact of the link tunnel works on the existing station. OTB challenge...

April 16, 2016

OTB has been appointed as a Tunnel Designer for the Northern Line Extension, which will connect the new developments at Battersea and Nine Elms into the London Underground network. Tunnelling is due to start in early 2017.


OTB is responsible for the design of all SCL tunnels east of Battersea Station, including the tricky junction to be made to the existing Northern Line at Kennington, capacity enhancement works at Kennington Station, and th...

April 12, 2016

OTB would like to congratulate Eoin Murphy on being selected as a finalist for the Harding Prize by the British Tunnelling Society (BTS). Eoin’s submission was a paper titled 'Construction of Farnworth Tunnels'. The award-winning Farnworth project involved enlarging an existing railway tunnel by building a new tunnel over and through the existing tunnel. The significant challenge was to complete these works whilst maintaining an operational...

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